And if you couldn't tell that from name alone, in Metal Gear Solid 2 he uses Plisken to hide his identity, and Naked Snake from Metal Gear Solid 3 ends up getting an eyepatch, as does Solidus Snake in Metal Gear Solid 2, and Solid Snake in Metal Gear Solid 4 (though in 4 it was a device to give him extra seeing abilities and not to mask a ruined eye).